Acids and Bases
Applied Chemistry
Name ______________________________
Date ______________ Period _____
I. Acids
A. Definition: A substance that produces ____________________________ in water.
General reaction in water: HA → H+ + AB. Formula always has ________________ in its formula and it is usually written
____________.
1. Examples:
C. Strength: a measure of the amount of _____________ formed in water.
1. Strong: __________________
Example: _________________
2. Weak: ___________________
Example: _________________
D: Concentration: relates to the amount of ________________ present.
1. Concentrated: _________________________________________________
2. Dilute: _______________________________________________________
E. Properties
1. _________________ taste
2. Changes the color of an _____________________
a. Indicator: a substance that indicates whether a substance is an _____________ or
______________ by ________________.
b. Examples: Litmus is __________ in acid. Phenolphthalein is ________________
in acid.
3. Conducts _____________________.
4. Reacts with metals to form ____________________ gas.
Example: HCl + Zn → H2 + ZnCl2
II.
Bases
A. Definition: a substance that produces ______________________ in water.
General reaction: XOH → X+ + OHB. Formula: always has a ____________________ and _______________ in its formula.
Examples:
C. Properties
1. _______________ taste
2. Change the color of an ______________________.
Example: Litmus is ________________ in base. Phenolphthalein is ___________ in
base.
3. Conducts _____________________.
4. Feels _____________________.
III.. pH of Solutions
1. pH is a measure of _________________________ concentration.
2. The pH scale ranges from _______ to ________.
-pH below 7 is ____________________
-pH of 7 is _______________________
-pH above 7 is ______________________